From aa941a07faeb5fff53d55610f94eb2a2e0adcaf7 Mon Sep 17 00:00:00 2001 From: bangerth Date: Wed, 3 Sep 2008 11:48:24 +0000 Subject: [PATCH] Only keep sparsity patterns for exactly as long as necessary. In particular, the Trilinos matrices do not need to have them around for later. git-svn-id: https://svn.dealii.org/trunk@16725 0785d39b-7218-0410-832d-ea1e28bc413d --- deal.II/examples/step-31/step-31.cc | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/deal.II/examples/step-31/step-31.cc b/deal.II/examples/step-31/step-31.cc index 4cf90605a6..f3e74d5b95 100644 --- a/deal.II/examples/step-31/step-31.cc +++ b/deal.II/examples/step-31/step-31.cc @@ -525,7 +525,7 @@ class BoussinesqFlowProblem const double old_time_step); - Epetra_SerialComm trilinos_communicator; + Epetra_SerialComm trilinos_communicator; Triangulation triangulation; @@ -535,9 +535,7 @@ class BoussinesqFlowProblem ConstraintMatrix stokes_constraints; std::vector stokes_partitioner; - BlockSparsityPattern stokes_sparsity_pattern; TrilinosWrappers::BlockSparseMatrix stokes_matrix; - BlockSparsityPattern stokes_preconditioner_sparsity_pattern; TrilinosWrappers::BlockSparseMatrix stokes_preconditioner_matrix; TrilinosWrappers::BlockVector stokes_solution; @@ -550,7 +548,6 @@ class BoussinesqFlowProblem ConstraintMatrix temperature_constraints; Epetra_Map temperature_partitioner; - SparsityPattern temperature_sparsity_pattern; TrilinosWrappers::SparseMatrix temperature_mass_matrix; TrilinosWrappers::SparseMatrix temperature_stiffness_matrix; TrilinosWrappers::SparseMatrix temperature_matrix; @@ -950,6 +947,8 @@ void BoussinesqFlowProblem::setup_dofs () DoFTools::make_sparsity_pattern (stokes_dof_handler, coupling, csp); stokes_constraints.condense (csp); + + BlockSparsityPattern stokes_sparsity_pattern; stokes_sparsity_pattern.copy_from (csp); stokes_matrix.reinit (stokes_partitioner, stokes_sparsity_pattern); @@ -980,6 +979,8 @@ void BoussinesqFlowProblem::setup_dofs () DoFTools::make_sparsity_pattern (stokes_dof_handler, coupling, csp); stokes_constraints.condense (csp); + + BlockSparsityPattern stokes_preconditioner_sparsity_pattern; stokes_preconditioner_sparsity_pattern.copy_from (csp); stokes_preconditioner_matrix.reinit (stokes_partitioner, @@ -996,6 +997,8 @@ void BoussinesqFlowProblem::setup_dofs () CompressedSetSparsityPattern csp (n_T, n_T); DoFTools::make_sparsity_pattern (temperature_dof_handler, csp); temperature_constraints.condense (csp); + + SparsityPattern temperature_sparsity_pattern; temperature_sparsity_pattern.copy_from (csp); temperature_matrix.reinit (temperature_partitioner, -- 2.39.5